scripts/rstrip.sh

   1 # This file is part of the OpenADK project. OpenADK is copyrighted
   2 # material, please see the LICENCE file in the top-level directory.
   3
   4 [[ -n $BASH_VERSION ]] && shopt -s extglob
   5
   6 SELF=${0##*/}
   7
   8 if [[ -z $prefix ]]; then
   9         echo >&2 "$SELF: strip command not defined ('prefix' variable not set)"
  10         exit 1
  11 fi
  12
  13 if [[ $1 = +keep ]]; then
  14         stripcomm=
  15         shift
  16 else
  17         stripcomm=" -R .comment"
  18 fi
  19
  20 TARGETS=$*
  21
  22 if [[ -z $TARGETS ]]; then
  23         echo >&2 "$SELF: no directories / files specified"
  24         echo >&2 "usage: $SELF [PATH...]"
  25         exit 1
  26 fi
  27
  28 find $TARGETS -type f -a -exec file {} \; | \
  29     while IFS= read -r line; do
  30         F=${line%%:*}
  31         D=${TARGETS}-dbg
  32         V=${F##*/fake-+([!/])/}
  33         P=${F##*/pkg-+([!/])/}
  34         Q=${P%/*}
  35         R=${P##*/}
  36         T="${prefix}strip"
  37         O="${prefix}objcopy"
  38         T=$T$stripcomm
  39         case $line in
  40         *ELF*executable*statically\ linked*)
  41                 ;;
  42         *ELF*relocatable*,\ not\ stripped*)
  43                 ;;
  44         esac
  45         case $line in
  46         *ELF*executable*,\ not\ stripped*)
  47                 S=executable ;;
  48         */lib/modules/3.*.o:*ELF*relocatable*,\ not\ stripped* | \
  49         */lib/modules/3.*.ko:*ELF*relocatable*,\ not\ stripped*)
  50                 # kernel module parametres must not be stripped off
  51                 T="$T --strip-unneeded $(echo $(${prefix}nm $F | \
  52                     sed -n -e '/__param_/s/^.*__param_/-K /p' \
  53                     -e '/__module_parm_/s/^.*__module_parm_/-K /p'))"
  54                 S='kernel module' ;;
  55         *ELF*shared\ object*,\ not\ stripped*)
  56                 S='shared object' ;;
  57         *current\ ar\ archive*)
  58                 S='static library'
  59                 T="$T -S" ;;
  60         *)
  61                 continue ;;
  62         esac
  63         echo "$SELF: $V:$S"
  64         echo "-> $T $F"
  65         eval "chmod u+w $F"
  66         if [[ $debug -ne 0 ]];then
  67                 eval "mkdir -p $D/usr/lib/debug/$Q"
  68                 eval "$O --only-keep-debug $F $D/usr/lib/debug/$P.debug"
  69         fi
  70         eval "$T $F"
  71         if [[ $debug -ne 0 ]];then
  72                 eval "cd $D/usr/lib/debug/$Q && $O --add-gnu-debuglink=$R.debug $F"
  73         fi
  74 done
  75 exit 0